@gmod/jbrowse/website/blog/2018-08-01-jbrowse-1-15-1-index.md

JBrowse - client-side genome browser

---
layout: post
title: JBrowse 1.15.1 maintenance release
date: 2018-08-01
tags: ["News","Software releases"]
---

JBrowse 1.15.1 has been released!

## Files for download

*   [JBrowse-1.15.1.zip](https://github.com/GMOD/jbrowse/releases/download/1.15.1-release/JBrowse-1.15.1.zip) - 3.2M
file SHA1 71284c64391798cb2b6648bac125522af1ba17a2 
*   [JBrowse-1.15.1-dev.zip](https://github.com/GMOD/jbrowse/releases/download/1.15.1-release/JBrowse-1.15.1-dev.zip) - 9.4M
file SHA1 26ccaf7768209fa18e2706ea050fc3f8349ba18d 
*   [JBrowse-1.15.1-desktop-win32-x64.zip](https://github.com/GMOD/jbrowse/releases/download/1.15.1-release/JBrowse-1.15.1-desktop-win32-x64.zip) - 68M
file SHA1 231934c5813bd02710db42e017a0455652559f45 
*   [JBrowse-1.15.1-desktop-linux-x64.zip](https://github.com/GMOD/jbrowse/releases/download/1.15.1-release/JBrowse-1.15.1-desktop-linux-x64.zip) - 66M
file SHA1 d895966abbbe2c2d623be6bb5150bb20d0bdc16e 
*   [JBrowse-1.15.1-desktop-darwin-x64.zip](https://github.com/GMOD/jbrowse/releases/download/1.15.1-release/JBrowse-1.15.1-desktop-darwin-x64.zip) - 66M
file SHA1 bf4429998ae005ff2003e19c461e46d1ebd95a0a 

## Minor Improvements

*   Add a internal code attribute for XHR requests that use byte-range headers so that if a
server does not support it, an error is returned immediately. Thanks to [@theChinster](https://github.com/theChinster)
for the motivating example ([issue #1131](https://github.com/gmod/jbrowse/issues/1131), [issue #1132](https://github.com/gmod/jbrowse/issues/1132), [issue #1134](https://github.com/gmod/jbrowse/pull/1134), [@cmdcolin](https://github.com/cmdcolin)).

*   Speed up TwoBit file processing with a robust implementation of the file spec. The
improvements are contained in a new npm module [@gmod/twobit](https://www.npmjs.com/package/@gmod/twobit).
Thanks to [@cmdcolin](https://github.com/cmdcolin) for some testing and motivating examples. ([issue #1116](https://github.com/gmod/jbrowse/issues/1116), [issue #1146](https://github.com/gmod/jbrowse/pull/1146),
[@rbuels](https://github.com/rbuels))

*   Added feature.get('seq') to CRAM features which enables detailed comparison of the
read versus the reference with the renderAlignment configuration. ([issue #1126](https://github.com/gmod/jbrowse/issues/1126),
[issue #1149](https://github.com/gmod/jbrowse/pull/1149), [@rbuels](https://github.com/rbuels))

*   Added support for 1000genomes CRAM 2.0 codecs via updates to the [@gmod](https://github.com/gmod)/cram npm module.
([@rbuels](https://github.com/rbuels))

*   Add some better formatting for rich metadata in the "About this track" dialog boxes for
tracks. Thanks to Wojtek Bażant for the idea and implementation! ([issue #1148](https://github.com/gmod/jbrowse/pull/1148), [@wbazant](https://github.com/wbazant))

## Bug fixes

*   Fix bug where prepare-refseqs with indexed FASTA would allows scrolling past the end of
the chromosome ([@cmdcolin](https://github.com/cmdcolin)).

*   Fix long standing bug related to not being able to configure dataRoot in the config file.
Now you can set dataRoot=mydirectory to make JBrowse load mydirectory instead of the
default `data` by default ([issue #627](https://github.com/gmod/jbrowse/issues/627), [issue #1144](https://github.com/gmod/jbrowse/pull/1144), [@cmdcolin](https://github.com/cmdcolin)).

*   Added hashing of the BAM feature data to generate unique IDs in order to distinguish
reads that have nearly identical information (same read name, start, end, seq, etc).
If the reads literally have identical information in them JBrowse is still unable to
display but this generally seems to be due to limited use case such as secondary
alignments in RNA-seq ([issue #1108](https://github.com/gmod/jbrowse/issues/1108), [issue #1145](https://github.com/gmod/jbrowse/pull/1145), [@cmdcolin](https://github.com/cmdcolin))